/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 abel533@gmail.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package dev.generator.mbg.plugins;

import dev.generator.mbg.MapperException;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.config.CommentGeneratorConfiguration;
import org.mybatis.generator.config.Context;
import org.mybatis.generator.internal.util.StringUtility;

import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;

/**
 * 禁用大多数方法
 *
 * @author liuzh
 */
public class FalseMethodPlugin extends PluginAdapter {

    @Override
    public boolean validate(List<String> warnings) {
        return true;
    }

    //下面所有return false的方法都不生成。这些都是基础的CRUD方法，使用通用Mapper实现
    @Override
    public boolean clientDeleteByPrimaryKeyMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientInsertMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientInsertSelectiveMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientSelectByPrimaryKeyMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeySelectiveMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeyWithBLOBsMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeyWithoutBLOBsMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientDeleteByPrimaryKeyMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientInsertMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientInsertSelectiveMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientSelectAllMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientSelectAllMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientSelectByPrimaryKeyMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeySelectiveMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeyWithBLOBsMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean clientUpdateByPrimaryKeyWithoutBLOBsMethodGenerated(Method method, Interface interfaze, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapDeleteByPrimaryKeyElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapInsertElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapInsertSelectiveElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapSelectAllElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapSelectByPrimaryKeyElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapUpdateByPrimaryKeySelectiveElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapUpdateByPrimaryKeyWithBLOBsElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean sqlMapUpdateByPrimaryKeyWithoutBLOBsElementGenerated(XmlElement element, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean providerGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean providerApplyWhereMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean providerInsertSelectiveMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    @Override
    public boolean providerUpdateByPrimaryKeySelectiveMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        return false;
    }

    /**
     * 通用Mapper生成器插件
     *
     * @author liuzh
     */
    public static class MapperPlugin extends FalseMethodPlugin {
        private Set<String> mappers                   = new HashSet<String>();
        private boolean     caseSensitive             = false;
        private boolean     useMapperCommentGenerator = true;
        //开始的分隔符，例如mysql为`，sqlserver为[
        private String      beginningDelimiter        = "";
        //结束的分隔符，例如mysql为`，sqlserver为]
        private String      endingDelimiter           = "";
        //数据库模式
        private String                        schema;
        //注释生成器
        private CommentGeneratorConfiguration commentCfg;
        //强制生成注解
        private boolean                       forceAnnotation;

        public String getDelimiterName(String name) {
            StringBuilder nameBuilder = new StringBuilder();
            if (StringUtility.stringHasValue(schema)) {
                nameBuilder.append(schema);
                nameBuilder.append(".");
            }
            nameBuilder.append(beginningDelimiter);
            nameBuilder.append(name);
            nameBuilder.append(endingDelimiter);
            return nameBuilder.toString();
        }

        /**
         * 生成的Mapper接口
         *
         * @param interfaze
         * @param topLevelClass
         * @param introspectedTable
         * @return
         */
        @Override
        public boolean clientGenerated(Interface interfaze, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
            //获取实体类
            FullyQualifiedJavaType entityType = new FullyQualifiedJavaType(introspectedTable.getBaseRecordType());
            //import接口
            for (String mapper : mappers) {
                interfaze.addImportedType(new FullyQualifiedJavaType(mapper));
                interfaze.addSuperInterface(new FullyQualifiedJavaType(mapper + "<" + entityType.getShortName() + ">"));
            }
            //import实体类
            interfaze.addImportedType(entityType);
            return true;
        }

        /**
         * 处理实体类的包和@Table注解
         *
         * @param topLevelClass
         * @param introspectedTable
         */
        private void processEntityClass(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
            //引入JPA注解
            topLevelClass.addImportedType("javax.persistence.*");
            String tableName = introspectedTable.getFullyQualifiedTableNameAtRuntime();
            //如果包含空格，或者需要分隔符，需要完善
            if (StringUtility.stringContainsSpace(tableName)) {
                tableName = context.getBeginningDelimiter()
                        + tableName
                        + context.getEndingDelimiter();
            }
            //是否忽略大小写，对于区分大小写的数据库，会有用
            if (caseSensitive && !topLevelClass.getType().getShortName().equals(tableName)) {
                topLevelClass.addAnnotation("@Table(name = \"" + getDelimiterName(tableName) + "\")");
            } else if (!topLevelClass.getType().getShortName().equalsIgnoreCase(tableName)) {
                topLevelClass.addAnnotation("@Table(name = \"" + getDelimiterName(tableName) + "\")");
            } else if (StringUtility.stringHasValue(schema)
                    || StringUtility.stringHasValue(beginningDelimiter)
                    || StringUtility.stringHasValue(endingDelimiter)) {
                topLevelClass.addAnnotation("@Table(name = \"" + getDelimiterName(tableName) + "\")");
            } else if (forceAnnotation) {
                topLevelClass.addAnnotation("@Table(name = \"" + getDelimiterName(tableName) + "\")");
            }
        }

        /**
         * 生成基础实体类
         *
         * @param topLevelClass
         * @param introspectedTable
         * @return
         */
        @Override
        public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
            processEntityClass(topLevelClass, introspectedTable);
            return true;
        }

        /**
         * 生成实体类注解KEY对象
         *
         * @param topLevelClass
         * @param introspectedTable
         * @return
         */
        @Override
        public boolean modelPrimaryKeyClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
            processEntityClass(topLevelClass, introspectedTable);
            return true;
        }

        /**
         * 生成带BLOB字段的对象
         *
         * @param topLevelClass
         * @param introspectedTable
         * @return
         */
        @Override
        public boolean modelRecordWithBLOBsClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
            processEntityClass(topLevelClass, introspectedTable);
            return false;
        }


        @Override
        public void setContext(Context context) {
            super.setContext(context);
            //设置默认的注释生成器
            useMapperCommentGenerator = !"FALSE".equalsIgnoreCase(context.getProperty("useMapperCommentGenerator"));
            if (useMapperCommentGenerator) {
                commentCfg = new CommentGeneratorConfiguration();
                commentCfg.setConfigurationType(MapperCommentGenerator.class.getCanonicalName());
                context.setCommentGeneratorConfiguration(commentCfg);
            }
            //支持oracle获取注释#114
            context.getJdbcConnectionConfiguration().addProperty("remarksReporting", "true");
        }

        @Override
        public void setProperties(Properties properties) {
            super.setProperties(properties);
            String mappers = this.properties.getProperty("mappers");
            if (StringUtility.stringHasValue(mappers)) {
                for (String mapper : mappers.split(",")) {
                    this.mappers.add(mapper);
                }
            } else {
                throw new MapperException("Mapper插件缺少必要的mappers属性!");
            }
            String caseSensitive = this.properties.getProperty("caseSensitive");
            if (StringUtility.stringHasValue(caseSensitive)) {
                this.caseSensitive = caseSensitive.equalsIgnoreCase("TRUE");
            }
            String forceAnnotation = this.properties.getProperty("forceAnnotation");
            if (StringUtility.stringHasValue(forceAnnotation)) {
                if (useMapperCommentGenerator) {
                    commentCfg.addProperty("forceAnnotation", forceAnnotation);
                }
                this.forceAnnotation = forceAnnotation.equalsIgnoreCase("TRUE");
            }
            String beginningDelimiter = this.properties.getProperty("beginningDelimiter");
            if (StringUtility.stringHasValue(beginningDelimiter)) {
                this.beginningDelimiter = beginningDelimiter;
            }
            String endingDelimiter = this.properties.getProperty("endingDelimiter");
            if (StringUtility.stringHasValue(endingDelimiter)) {
                this.endingDelimiter = endingDelimiter;
            }
            String schema = this.properties.getProperty("schema");
            if (StringUtility.stringHasValue(schema)) {
                this.schema = schema;
            }
            if (useMapperCommentGenerator) {
                commentCfg.addProperty("beginningDelimiter", this.beginningDelimiter);
                commentCfg.addProperty("endingDelimiter", this.endingDelimiter);
            }
        }
    }
}
